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Which of the following is NOT correct concerning a tubal pregnancy?


A) they can be caused by endometriosis
B) they can threaten the life of the mother
C) they can be caused by STDs
D) fetuses that come to term must be delivered by Caesarian section
E) all of these are true concerning a tubal pregnancy

Correct Answer

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In female humans, what is the function of LH?


A) it stimulates the releases of GnRH from the adrenal cortex
B) it stimulates the maturation of ovarian follicles
C) it stimulates cells in the follicle to secrete estrogens
D) it encourages the completion of meiosis I and cytoplasmic division
E) LH functions to do more than one of these

Correct Answer

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The most common STD in the United States is caused by


A) a protozoan.
B) a bacterium.
C) a fungus.
D) a virus.
E) unprotected sex.

Correct Answer

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The yolk, which is in many animal eggs, is composed of


A) a mixture of individual amino acids and nucleic acids.
B) a mixture of proteins and lipids.
C) a mixture of proteins and carbohydrates.
D) a mixture of nucleic acids and proteins.
E) a mixture of lipids and nucleic acids.

Correct Answer

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Classification. Match the hormone with its description.

Premises
a surge of this hormone encourages the primary oocyte to complete meiosis I
the first hormone secreted by a new human
a surge of this hormone triggers ovulation
secreted by the anterior pituitary, this hormone stimulates an ovarian follicle to begin maturing
rising levels of this hormone encourage the uterine lining to thicken
secreted by the hypothalamus, this hormone stimulates the release of LH and FSH
this hormone prevents the degeneration of the corpus luteum
Responses
FSH
estrogens
HCG
HCG.
LH
GnRH
progesterone
LH.

Correct Answer

FSH
estrogens
HCG
HCG.
LH
GnRH
progesterone
LH.

  The organ at letter ________ can become troublesome and cancerous in older men, causing restricted urine flow. The organ at letter ________ can become troublesome and cancerous in older men, causing restricted urine flow.

Correct Answer

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In this STD, symptoms include warts on the genitals and can lead to cervical and anal cancers. This STD is


A) gonorrhea.
B) siphilis.
C) chlamydia.
D) genital herpes.
E) HPV infection.

Correct Answer

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Which of the following is NOT true concerning endometriosis?


A) tissues that line the uterus grow in other places in the pelvis
B) oviducts become scarred
C) pregnancies are otherwise normal
D) intercourse is painful
E) all of these are NOT true concerning endometriosis

Correct Answer

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All organ systems in a human embryo have formed by ___.


A) week eight.
B) the 5th day.
C) week 5.
D) week 6.
E) the eighth month.

Correct Answer

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Which of the following is an exocrine gland that secretes mucus into semen?


A) prostate
B) seminal vesicle
C) bulbourethral
D) epididymus
E) vas deferens

Correct Answer

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  Sperm are stored to allow for maturation in the structure at letter ________. Sperm are stored to allow for maturation in the structure at letter ________.

Correct Answer

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Which of the following should a pregnant woman avoid as to not bring harm to her child?


A) cat feces
B) alcohol
C) smoking
D) accutane
E) a pregnant woman should avoid all of these as to not bring harm to her child

Correct Answer

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In the process of differentiation,


A) some daughter cells usually receive varying assortments of genes.
B) cells with identical assortments of genes come to have different individual genes expressed.
C) cells become specialized as a result of meiosis.
D) daughter cells acquire different characteristics as a result of mutations that have occurred.
E) all of these occur.

Correct Answer

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____ stimulates the growth of cells that will produce milk proteins.


A) Estrogen.
B) Prolactin.
C) Oxytocin.
D) Prostaglandin.
E) Progesterone.

Correct Answer

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A penis becomes erect because of


A) muscle contractions.
B) blood flow into spongy tissue.
C) hydrostatic pressure.
D) osmosis.
E) a combination of more than one of these.

Correct Answer

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Although the genetic contributions of egg and sperm nuclei are equal, the egg contributes more than the sperm to cell differentiation because of its


A) larger size.
B) cytoplasmic determinants.
C) proteins.
D) cytoplasmic determinants and proteins only.
E) cytoplasmic materials, enzymes, mRNA transcripts, and larger size.

Correct Answer

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Which of the following is referred to as a ball of cells?


A) cleavage
B) egg
C) gastrula
D) zygote
E) blastula

Correct Answer

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The myometrium is


A) the lining of the uterus.
B) the lining of the vagina.
C) the tissue that covers an ovary.
D) smooth muscle in the wall of the uterus.
E) the lining of the oviducts.

Correct Answer

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Which of the following are NOT part of an embryo or its related structures?


A) embryonic disk
B) amniotic sac
C) chorion
D) endometrium
E) more than one of these are NOT a part of an embryo or its related structures

Correct Answer

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Postnatal growth is most rapid in a human child


A) during the first two weeks.
B) from two weeks to fifteen months.
C) from infancy to ten years.
D) from ages thirteen to nineteen.
E) during adulthood.

Correct Answer

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