ANATOMY AND PHYSIOLOGY II ACT UAL

ANATOMY AND PHYSIOLOGY II ACT UAL

FINAL EXAM LATEST -

QUESTIONS AND WELL VERIFIED

CORRECT ANSWERS [ALREADY GRADED

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When the level of ADH (antidiuretic hormone) decreases,

• more urine is produced.
• less urine is produced.
• the osmolarity of the urine decreases.
• both A and C
• both B and C - ANSWER-D) both A and C

In response to increased levels of aldosterone, the kidneys produce

• a larger volume of urine.
• urine with a higher concentration of sodium ions.
• urine with a lower concentration of potassium ions.
• urine with a lower concentration of sodium ions.
• urine with less glucose. - ANSWER-D) urine with a lower concentration of

sodium ions.

Blood leaves the glomerulus through a blood vessel called the

• afferent arteriole. 1 / 4

• efferent arteriole.
• vasa recta.
• interlobular arteriole.
• renal vein. - ANSWER-B) efferent arteriole.

Functions of the urinary system include

• regulation of blood volume and blood pressure.
• regulation of plasma concentration of certain ions.
• helping to stabilize blood pH.
• conservation of valuable nutrients.
• all of the above - ANSWER-E) all of the above

The kidneys not only remove waste products from the blood, they also assist in the regulation of

• blood volume.
• blood pH.
• blood pressure.
• blood ion levels.
• all of the above - ANSWER-E) all of the above

A patient excretes a large volume of very dilute urine on a continuing basis. This is may be due to

• excessive ADH secretion.
• absence of ADH.
• hematuric oliguria.
• overproduction of aldosterone. 2 / 4

• dilation of the afferent arterioles. - ANSWER-B) absence of ADH.

Antidiuretic hormone

• increases the permeability of the collecting ducts to water.
• is secreted in response to low potassium ion in the blood.
• causes the kidneys to produce a larger volume of very dilute urine.
• is secreted by the anterior pituitary.
• release is insensitive to the osmolarity of interstitial fluid. - ANSWER-A)

increases the permeability of the collecting ducts to water.

A drug that inhibits angiotensin converting enzyme (ACE) may lead to

• less secretion of aldosterone.
• increased urinary loss of sodium.
• reduction of blood pressure.
• B and C only
• A, B, and C - ANSWER-E) A, B, and C

Areas of the spleen that contain large aggregations of lymphocytes are known as

• Peyer patches.
• adenoids.
• white pulp.
• red pulp.
• lymph nodes. - ANSWER-C) white pulp.

The body's nonspecific defenses include all of the following, except

• the skin.
• complement. 3 / 4

• interferon.
• inflammation.
• antibodies. - ANSWER-E) antibodies.

Each of the following is a physical barrier to infection, except

• body hair.
• epithelium.
• secretions.
• complement.
• basement membranes. - ANSWER-D) complement.

Characteristics of specific defenses include

• versatility.
• tolerance.
• memory.
• specificity.
• all of the above - ANSWER-E) all of the above

Defense of the body against a particular pathogen is provided by

• nonspecific immunity.
• specific immunity.
• immunological surveillance.
• skin defenses.
• fever. - ANSWER-B) specific immunity.
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