A&P II Final Study

Which of the following components of an ECG is not correctly matched with the corresponding even occurring in the heart?

T wave-atrial repolarization

Edema can occur when there is

a blockage of the lymphatics

Increased metabolic activity and weight loss are associated with

hyperthyroidism

Which of the following will the body begin to do in order to compensate for hyperkalemia?

increase aldosterone secretion

Which of the following is characterized as metabolic alkalosis?

increase pH, increased pCO2, increased HCO3

An increase in blood Co2 levels is followed by a(n)___in H+ ions and a(n)____in blood pH.

increase, decrease

Which of the following is NOT a function of the lymphatic system?

aiding in erythropoiesis of red blood cells

Ingesting large amounts of sodium bicarbonate can lead to

metabolic alkalosis

Prolonged vomiting of stomach contents will result in

metabolic alkalosis

What is the function of the ciliated epithelium of the tracheobronchial tree?

move dirt to the pharynx

The ovary is attached to the uterus by the:

ovarian ligament

Which of the following glands is both an endocrine and exocrine gland?

pancreas

Calcium balance is controlled by

parathyroid hormone and vitamin D levels

A traditional method of providing temporary immunity for a person who is suspected of being infected (usually be an animal bite) with rabies is classified as

passive artificial immunity

Hematocrit is the

percentage of RBCs in a given volume of blood

The ____ helps hold a tooth in its socket.

periodontal ligament

Inflammatory response

prevents the spread of infection

Bicarbonate ion concentrations in the blood are controlled through the...?

renal system

Once alkalosis has occurred, which of the following would you expect to happen?

retention of hydrogen ions by the kidneys

What type of cells form the proximal convoluted tubule?

simple cuboidal epithelium with microvilli

An increased amount of heparin in the blood might

slow down the clotting process.

Cholecystokinin is produced by endocrine cells of the

small intestine

When measuring blood pressure with a sphygmomanometer, which of the following best describes when blood flow in the brachial artery is turbulent?

when pressure in the brachial artery is greater than in the blood pressure cuff and greater than the diastolic pressure

Blood oxygen levels

within the normal PO2 range have little effect on regulation of respiration

The normal rate of spontaneous depolarization of the AV node is

40-60 per minute

Osmoreceptor cells in the hypothalamus are involved in the secretion of

antidiuretic hormone

When blood pressure increases, a number of events occur that return blood pressure to normal. Which of the following is one of the events that occurs after an increase in blood pressure?

baroreceptors are stimulated

In adults, red blood cells are made in one place, spend most of their lifespan in another, and most are finally destroyed in yet another place. Which choice lists these locations in the correct chronological order?

bone marrow, blood vessels, spleen

Which of the following statements concerning neutrophils and macrophages is false?

both release histamine when activated.

Barorecptor reflexes

can change heart rate

The major regulator of respiration is the plasma concentration of

carbon dioxide

The gallbladder contracts in response to the hormone

cholecystokinin

Sperm and ova are similar in terms of...?

chromosome number

Intense sympathetic stimulation of the kidney

decreases renal flow

What event(s) occur during the QRS complex of an ECG?

depolarization of the ventricles and repolarization of the atria

Which of the following is a cause of metabolic acidosis

diarrhea

In the myogenic mechanism of autoregulation, what is the response to an increase in blood pressure in the afferent ateriole?

dilation of the afferent ateriole

Smooth muscle contractions help to propel sperm in the

ductus deferens

Glucose is usually completely reabsorbed from the filtrate by the time the filtrate has reached the

end of the proximal convoluted tubule

Which of the following attaches the liver to the anterior abdominal wall?

falciform ligament

The baroreceptor reflex would cause which of the following events to occur if the reflex was caused by an increase in blood pressure?

increased parasympathetic stimulation of the heart

Lasix is a diuretic that blocks the reabsorption of sodium in the ascending loop of Henle. The result of giving this drug would be

increased urine output

Decreased blood colloid osmotic pressure affects renal function by

increasing net filtration pressure

A substance that is useful for determining the GFR of the kidney is

inulin

Which of the following organs does NOT contain lymphatic tissue?

liver

Which of the following is NOT true about the heart?

the apex of the heart is directed superiorly and to the left

Mr. Smith moved from a low altitude to a high altitude and experienced an increase in RBCs. Which of the following caused this increase?

the lower oxygen concentration seen at higher altitudes

The primary stimulus for release of adrenal medullary hormones comes from?

the sympathetic nervous system

Arteries can constrict or dilate as needed because of the smooth muscle found in the

tunica media

What type of cells make up about 90% of the alveolar surface?

type I pneumocytes