The portion of the urethra that penetrates the urogenital diaphragm is the
A) membranous urethra.
B) penile urethra.
C) corpus spongiosum.
D) spongy urethra.
E) vascular urethra.
(
Question 2) Calculate cardiac output if the heart rate is 125 beats/minute, the end-diastolic volume is 130 ml, and the end-systolic volume is 40 ml.
A) 21,250 ml / min
B) 16,250 ml / min
C) 11,250 ml / min
D) 195 ml / min
E) 200 ml / min
(
Question 3) The portion of the urethra that passes through the pelvic cavity floor is called the
A) membranous urethra.
B) bulbo-urethral.
C) penile urethra.
D) ureter.
E) prostatic urethra.
(
Question 4) A patient has an end-diastolic volume of 125 ml. A heart attack has weakened her left ventricle so it can pump a stroke volume of only 40 ml. Calculate her end-systolic volume.
A) 85 ml
B) 3.1 ml
C) 5000 ml
D) 165 ml
E) There is not enough data given to calculate the end-systolic volume.
(
Question 5) Why are inguinal hernias generally associated with males?
A) Males have a gene on the Y chromosome that codes for inguinal hernia, whereas women do not have the Y chromosome.
B) Women have a thicker set of skeletal muscles in the abdominal wall compared to men.
C) Males work more strenuously than women, thereby damaging the abdominal wall.
D) Males have a canal through the abdominal wall that the testes move through, and it often does not close up properly.
E) The groin area is genetically weaker in men than in women because of the presence of the penis and testes.
(
Question 6) End-systolic volume is defined as the
A) amount of blood a ventricle ejects per cycle.
B) amount of blood which backflows into a ventricle.
C) amount of blood remaining in an atrium after atrial systole.
D) amount of blood remaining in a ventricle after contraction.
E) stroke volume multiplied by the heart rate.
(
Question 7) A normal sperm count ranges from approximately ________ sperm per milliliter.
A) 10 million
B) 100-150 million
C) 1-2 million
D) 500 million
E) 20-100 million
(
Question 8) If the force of ventricular contraction increases, what will happen to the end-systolic volume?
A) increase
B) fluctuate rapidly
C) remain the same
D) decrease
E) reduced to zero
(
Question 9) Functions of the accessory glands of the male reproductive system include all of the following except
A) production of sperm.
B) meeting the nutrient needs of sperm for motility.
C) propelling sperm and fluids along the reproductive tract.
D) producing buffers.
E) activating the sperm.
(
Question 10) Drugs that block the beta-one adrenergic receptors will
A) increase heart rate.
B) decrease heart rate.
C) increase contractility.
D) increase cardiac output.
E) decrease the end-systolic volume.
Quick Reply
