Anatomy Exam #4 Ch.25-27

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A person's original chromosomes and their component genes constitute that person's autosomal inheritance. locus. genotype. phenotype. allele.

genotype

The primary role of the carbonic acid-bicarbonate buffer system is to buffer carbonic acid formed by carbon dioxide. increase ventilation. buffer the urine. buffer stomach acid. limit pH changes caused by organic and fixed acid

limit pH changes caused by organic and fixed acid

A zygote whose genotype is XY will develop as a female. male.

male

The onset of the first uterine cycle is called menstruation. menarche. menses. menopause. menstrual cycle.

menarche

The ectoderm forms neural tissues. blood. the lining of the stomach and small intestine. muscle. the urinary system.

neural tissues

The principal cation in cytoplasm is calcium. magnesium. chloride. sodium. potassium.

potassium

The ________ is a fleshy pouch suspended below the perineum and anterior to the anus. prostate gland bulbourethral gland scrotum raphe rete testis

scrotum

The male gonad is called a(n) testis. epididymis. scrotum. ductus. spermatid.

testis

Intracellular fluid is found only within the cells of the body. blood vessels. lymph. the cerebrospinal fluid. the interstitial space.

the cells of the body

"Natural family planning" is an alternative term for which form of birth control? oral contraceptives an intrauterine device vasectomy hormonal post-coital contraception the rhythm method

the rhythm method

The structure that transports the ovum to the uterus is the uterosacral ligament. vagina. infundibulum. myometrium. uterine tube.

uterine tube

The organ that provides mechanical protection and nutritional support for the developing embryo is the ovary. vagina. uterus. cervix. uterine tube.

uterus

The embryonic heart starts beating as blood begins to flow through chorionic vessels at approximately ________ of development. week 3 week 2 day 3 the second trimester day 12

week 3

The ________ method of birth control involves taking either combination estrogen/progesterone birth control pills or progesterone-only pills in two large doses 12 hours apart within 72 hours of unprotected sexual intercourse. rhythm method intrauterine device oral contraceptive hormonal post-coital contraception progesterone-only

hormonal post-coital contraception

________ is defined as an inability to achieve or maintain an erection. Benign prostatic hypertrophy Sterility Infertility Emission Impotence

impotence

About two-thirds of the body's fluid is within cells and is termed ________ fluid. extracellular vital intracellular interstitial intercellular

intracellular

________ play(s) a key role in maintaining acid-base homeostasis by eliminating carbon dioxide. Metabolically active cells The urinary system The respiratory system Buffer systems All of the answers are correct.

The respiratory system

Which of the following is a puberty-related change caused by increased testosterone levels? decreased erythropoiesis replication of skeletal muscle fibers thinning of the vocal folds accelerated bone deposition and skeletal growth loss of terminal hairs on the face and chest

accelerated bone deposition and skeletal growth

Which substance plays a central role in determining the rate of sodium reabsorption? extracellular fluid aldosterone natriuretic peptides ADH epinephrine

aldosterone

When the pH rises above 7.45, a state of ________ exists. acidosis alkalosis

alkalosis

Interstitial cells produce nutrients. androgen-binding protein. sperm. androgens. inhibin.

androgens

The trophoblast has many of the characteristics of ________ cells. cardiac infectious None of the answers is correct. smooth muscle cancer

cancer

The release of natriuretic peptides from the heart will cause the following response increase in epinephrine. increase in norepinephrine. decrease of ADH release. increase in blood volume. increase in aldosterone release.

decrease of ADH release

The gradual modification of anatomical structures during the period from conception to maturity is All of the answers are correct. capacitation. embryogenesis. differentiation. development.

development

Trisomy 21 is the clinical term for Klinefelter syndrome. amyotrophic lateral sclerosis. fetal alcohol syndrome. Down syndrome. Marfan's syndrome.

down syndrome

The oval, three-layered sheet produced by gastrulation is called the ectoderm. embryo. inner cell mass. yolk sac. embryonic disc.

embryonic disc

A zygote whose genotype is XX will develop as a male. female.

female

The normal pH range for extracellular fluid is 7.25-7.35. 7.15-7.25. 7.45-7.55. 6.95-7.00. 7.35-7.45.

7.35-7.45

Which body system is not involved in fluid, electrolyte, and acid-base balance? cardiovascular integumentary endocrine muscular All systems produce metabolic wastes and therefore are involved in fluid and electrolyte balance.

All systems produce metabolic wastes and therefore are involved in fluid and electrolyte balance.

The pathogen responsible for nearly 75% of cervical cancers is <i>Chlamydia.</i> Human immunodeficiency virus. Herpes simplex. <i>Borrelia burgdorferi.</i> Human papillomavirus.

Human papillomavirus


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