Bio Final
Bio Final Quiz
Challenge your knowledge with our comprehensive Bio Final Quiz! This quiz covers essential concepts in biology, from human anatomy to cellular processes. Ideal for students preparing for their final exams or anyone looking to refresh their understanding of biological systems.
Key Features:
- 100 engaging multiple-choice and checkbox questions
- Thorough coverage of reproductive biology, cellular respiration, and anatomy
- Instant feedback on your answers
The nurse cells of the seminiferous tubules do all of the following except
Maintain the blood-testis barrier
Secrete inhibin
Secrete testosterone
Support spermiogenesis
The attachment of the ovary to the uterus is with the
Ovarian ligament
Ovarian hilum
Infundibulopelvic ligament
Tunica albuginea
Ovarian umbilical cord
Identify the structure labeled "1".
Corpus spongiosum
Ejaculatory duct
Membraneous urethra
Corpora cavernosa
Membranous urethra
Which of the following is the function of the ovaries?
Secretion of hormones
Secretion of inhibin
Formation of immature gametes
Production of oocytes
All of the answers are correct
In glycolysis, each molecule of glucose that is catabolized gives a net yield of how many molecules of ATP?
38
4
2
36
30
The blood vessel that carries oxygenated blood away from the placenta is the
Umbilical vein
Uterine arteries
Uterine veins
Iliac veins
Umbilical arteries
Which of the following descriptions best matches the term endometrium?
Thick layer of smooth muscle cells
Supports the uterus anteriorly
Consists of a functional zone and a basilar zone of epithelium
Supports the uterus laterally
After ovulation, the ovum is captured by it
During implantation, the
Trophoblast erodes a path through the endometrium
Entire trophoblast becomes syncytial
Maternal blood vessels in the endometrium are walled off from the blastocyst
Inner cell mass begins to form the placenta
Inner cell mass is temporarily deprived of nutrients
Reactions within ___________ provide most of the energy needed b a typical cell.
Nucleus
The mitochondria
Cytoplasm
The plasma membrane
The endoplasmic reticulum
The Y chromosome carries information for
The development of the testes
Fertility ability
The development of the brain
Sexual drive
The penis
Nurse cells
Are found in the seminiferous tubules
Secrete the hormone inhibin
Form the blood-testis barrier
Coordinate spermatogenesis
All of the answers are correct
A normal sperm count ranges from approximately __________ million spermatozoa per milliliter.
20-100
10
1-2
100-150
500
In correct order, from external to internal, the layers of the testis include: (1)darts muscle (2)cremaster muscle (3)tunica vaginalis (4)scrotal cavity (5)tunica albuginea (6)septa
1,2,3,4,5,6
6,5,4,3,2,1
5,3,4,2
2,4,6,3,5,1
The segment of the uterine tube where fertilization commonly occurs is the
Posterior
Fimbriae
Infundibulum
Ampulla
Outer one-third of the tube
The inner cell mass of the blastocyst will
Form the morula
Provide nutrients for early growth
Form blood vessels of the placenta
Form the embryo
Form the placenta
During gastrulation,
The neural tube closes
Three germ layers are formed
The placenta penetrates the endometrium
Cells from the hypoblast move to the epiblast
The blastomeres fuse
Which of the following glands contributes the most volume to semen?
Rete testis
Prostate gland
Seminal gland (seminal vesicle)
Bulbourethral gland
Prepuce
Identify the structure labeled "11".
Bulbourethral gland
Epididymis
Ductus deferens
Prostate gland
Seminal gland (seminal vesicle)
The thick muscular layer of the uterus is the
Perimetrium
Endometrium
Sarcometrium
Myometrium
Uterometrium
The organ that transports the ovum to the uterus is the
Myometrium
Infundibulum
Uterosacral ligament
Uterine (fallopian) tube
Vagina
The term _______ refers to the time spent in prenatal development.
Parturition
Cleavage
Micturition
Gestation
Transformation
A mature follicle releases an ovum in response to ta surge in
Progesterone
Luteinizing hormone
Oxytocin
Estrogen
Follicle-stimulating hormone
Gametes are called haploid because
The contain one-half the normal number of chromosomes
They are produced by the process of mitosis
They are either sperm or ova
There are half as many of them produced at each division in comparison with diploid cells
All of the above
The ______ of a sperm contains the enzymes essential for fertilization.
Acrosome
Neck
Lagellum
Nucleosome
Nucleus
Lipoproteins that carry mostly cholesterol to peripheral tissues are called
Chylomicrons
Low-density lipoproteins
Intermediate-density lipoproteins
High-density lipoproteins
Very-low-density lipoproteins
The process of glycogen formation is known as
Cellular respiration
Glycolysis
Gluconeogenesis
Glycogenesis
Glycemia
Identify the structure labeled "12".
Prostatic urethra
Ductus deferens
Membranous urethra
Vas deferens
Ejaculatory duct
The special type of cell division required to produce gametes is called
Meiosis
Capacitation
Maturation
Mitosis
Fertilization
Fertilization is the process whereby
Two haploid gametes fuse
Two diploid gametes join and recombine genetically
The cells of a newly produced embryo divide
Two polar bodies fuse to produce a zygote
None of the above happens
The penetration of the endometrium by the blastocyst is referred to as
Fertilization
Placentation
Implantation
Cleavage
Embryogenesis
The blood vessels that carry deoxygenated blood to the placenta are the
Uterine veins
Uterine arteries
Umbilical veins
Umbilical arteries
Iliac veins
The _______ represents the minimum resting energy expenditures of an awake, alert individual.
Blood pressure
Basal metabolic rate
Heart rate
Heat loss quotient
All of the above
There period of gestation when organs and organ systems complete most of their development and the fetus looks distinctly human is the _________.
First
Second
Third
The structure that assists in descent of the testes is (the)
Seminal vesicles
Scrotum
Gubernaculum testis
Mediastinum
All of the above
Identify the structure labeled "5".
Umbilical cord
Decidua capsularis
Decidua basalis
Amniotic cavity
Yolk sac
The citric acid cycle occurs in the
Mitochondrial intermembrane space
Mitochondrial matrix
Cytosol
Golgi apparatus
Ribosome
Contraction of the remaster muscles
Propels sperm through the urethra
Moves sperm through the ductus deferens
Pulls the testes closer to the body cavity
Tenses the scrotal sac and pulls the testes closer to the body cavity
Tenses the scrotal sac
The narrow space linking the scrotum to the peritoneal cavity is the
Inguinal canal
Gubernaculum testis
Pampiniform plexus
Spermatic cord
Ilioinguinal nerve
Sperm develop from the stem cells called
Primary spermatocytes
Spermatids
Secondary spermatocytes
Spermatozoa
Spermatogonia
The human reproductive system
Remains functional throughout the life of an individual
Stores but does not produce gametes
Is as essential to the survival of an individual as all other anatomic systems
Ensures the continued existence of the human species
Has none of the attributes above
The essential fatty acids are
Glycerol and pyretic acid
Cholesterol and glycerol
HDLs and LDLs
Linoleic acid and linolenic acid
Leucine and lysine
Which of the following is not a type of nerve of the scrotum?
Genitofemoral nerves
Ilioinguinal nerves
Perineal nerves
Postganglionic sympathetics
Pudendal nerves
The _______ is a pocket formed between the posterior wall of the uterus and the anterior surface of the rectum.
Rectouterine pouch
Fornix
Os
Hymen
Prostate
Sperm cannot fertilize an oocyte until they
Lose their flagellum
Are activated by sustentacular cells of the vagina
Undergo meiosis
Undergo capacitation
Are in the vagina for 3 days
The dermis of the scrotum contains a thin muscle, the
Epididymis
Cremaster
Vaginalis
Dartos
None of the above
Which embryonic germ layer forms the linings of the respiratory and digestive tracts?
Epiderm
Endoderm
Ectoderm
Trophoderm
Mesoderm
The middle piece of the sperm contains the ______ in a spiral arrangement.
Acrosome
Nucleosome
Chromosomes
Mitochondria
Flagella
The contacts of the spermatic cord do not include the
Ductus deferens
Ilioinguinal and genitofemoral nerves
Pampiniform plexus of the testicular vein
Testicular artery
There are no exceptions; all of the above are included
In ______, implantation occurs somewhere other than the uterus.
Placenta previa
Spontaneous abortion
Abortion
Ectopic pregnancy
Hydramnios
The sum of all of the biochemical processes going on within the human body at any given time is called
Metabolism
Catabolism
Oxidative phosphorylation
Glycolysis
Anabolism
Which embryonic germ layer forms connective tissues such as bone and cartilage?
Ectoderm
Trophoderm
Endoderm
Mesoderm
Epiderm
The ________ provides mechanical protection, nutritional support, and waste removal for the developing embryo.
Vagina
Corpus albicans
Ovary
Uterus
Stroma
Identify the structure labeled "4".
Epididymis
Prostate gland
Ductus deferens
Seminal gland (seminal vesicle)
Testis
The seminiferous tubules
Are the site of production of spermatozoa
Are the sites of the production of androgens for the testis
Average 200 inches in length
Occur in the testicular lobules
Have the attributes of C and D
A blastocyst is a(n)
Portion of the placenta
Solid ball of cells
Origin of the urinary bladder
Extra embryonic membrane
Hollow ball of cells
The citric acid cycle
Directly produces most of the ATP from the catabolism of glucose
Form acetyl-CoA from glucose-6-phosphate
Contains enzymes called cytochromes
Consumes two moles of carbon dioxide
Begins with the formation of a molecule of citric acid
In the follicular phase of the uterine cycle, the ovary is
Undergoing atresis
Forming the corpus luteum
Secreting progesterone
Developing a mature follicle
Doing all of the above
The organ that surrounds the urethra and produces an alkaline secretion is the
Preputial gland
Seminal gland (seminal vesicle)
Prostate gland
Bartholin's gland
Bulbourethral gland
The organ that provides mechanical protection and nutritional support for the developing embryo is the
Cervix
Uterine tube
Vagina
Ovary
Uterus
The male reproductive system is most closely associated with which of the following systems?
Muscular
Integumentary
Endocrine
Urinary
Digestive
The dense layer of connective tissue that surrounds the testis is called the
Dartos
Tunica albuginea
Spermatic cord
Median raphe
Epididymis
The process of synthesizing glucose from non carbohydrates is called
Glycogenesis
Glycolysis
Gluconeogenesis
Glycemia
Cellular respiration
What additional function(s), beyond those that occur in the male reproductive system, occur in the female reproductive system?
None; they both have similar functions
Nourishment and maturation of gametes
Production of gametes
Protection, support, and nourishment of a developing offspring
Storage of gametes
The _______ is the rounded portion of the uterine body superior to the attachment of the uterine tubes.
Internal os
Fundus
Cervix
Myometrium
Body
Arrange the four structures listed below into the order in which sperm pass from the testis to the urethral meatus. (1)ductus deferens (2)urethra (3)ejaculatory duct (4)epididymis
1,3,4,2
4,1,3,2
1,4,3,2
4,1,2,3
4,3,1,2
Ectoderm is to ______ as mesoderm is to _______.
Mesoderm; ectoderm
Cardiovascular system; neural tissue
Neural tissue; epithelial tissue
Muscle tissue; nerve tissue
Neural tissue; muscle tissue
Sperm production occurs in the
Seminal glands (seminal vesicles)
Epididymis
Ductus deferens
Seminiferous tubules
Rete testis
The _______ is the region of the vagina that surrounds the cervix.
Fundus
External os
Fornix
Dartos
Rugae
The placenta is a source of which of the following hormones?
Progesterone
HCG
Placental lactogen
Relaxin
All of the answers are correct
A fetus begins to look distinctly human
By the beginning of the second trimester
From the point of conception
For the first time, at the end of the third trimester
At the end of the first trimester
After eighth week
The solid ball of cells that has been likened to a mulberry is called a
Blastula
Chorion
Gastrula
Morula
Blastocyst
The period of gestation is characterized by rapid fetal growth and fat disposition is the _________ trimester.
First
Second
Third
Interstitial cells
Respond to LH
Are located between seminiferous tubules
Are also called Leydig cells
Produce testosterone
All of the answers are correct
Spermatozoa are functionally matured within the
Seminal gland (seminal vesicle)
Rete testes
Ductus deferens
Epididymis
Seminiferous tubules
Identify the process occurring at the structure labeled "13".
Gastrulation
Ovulation
Fertilization
Migration
Implantation
Oxygenated blood from the placenta returns to the fetus in the
Umbilical capillaries
Umbilical vein
Umbilical arteries
Decidua capsularis
Allantois
A primary spermatocyte matures into _______ spermatids having ________ chromosomes.
Four; 46
One; 46
Millions of; 23
Four; 23
Millions of;46
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