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
