Which of the following is not a function of the mucus-lined nasal passages? -
ANS-Cooling exhaled air
Which of the following has an effect on the pH of blood? - ANS-Carbon dioxide
What causes air to move into the lungs during inspiration? - ANS-Pressure gradient
between atomosphere and alveoli
Another word for breathing is ventilation. - ANS-True
Oxygen is carried in the blood in the form of bicarbonate ions and is bound to
hemoglobin. - ANS-False
The layer of serous membrane that is firmly attached to the surface of a lung is called
the __________. - ANS-visceral pleura
The __________ is the tube that conveys urine outside the body. - ANS-urethra
Which of the following chemicals might athletes abuse because of its potential ability to
improve performance by increasing red blood cell production? - ANS-Erythropoietin
(EPO)
The hormone ADH promotes water reabsorption through the wall(s) of the __________.
- ANS-distal tubule and collecting duct
The efferent arteriole supplies blood to the capillaries of the glomerulus. - ANS-False
The kidneys play an important role in the regulation of red blood cell production. -
ANS-True
The tuft of capillaries located between the afferent and efferent arterioles is the
__________. - ANS-glomerulus
What is edema? - ANS-Abnormal accumulation of extracellular fluid
What is meant by the phrase acid-base balance? - ANS-Maintenance of the correct
amount of hydrogen ion in the blood
, Which of the following will cause the respiratory center to increase the breathing rate? -
ANS-Decrease in plasma pH
In a healthy body, the volume of water remains relatively stable at all times. - ANS-True
Factors that alter water balance will also alter electrolyte balance. - ANS-True
Water produced as a byproduct of the oxidation of nutrients is called __________ water.
- ANS-metabolic
Identify the correct sequence for the steps of meiosis I. - ANS-Prophase I → metaphase
I → anaphase I → telophase I
Ovulation is triggered by a surge of _________ from the anterior pituitary gland. -
ANS-LH
What structure does the sperm enter upon exiting the ductus deferens? -
ANS-Ejaculatory duct
Chromosomes align down the center of a cell undergoing meiosis in metaphase. -
ANS-True
The secretions of the prostate gland neutralize the acid in semen. - ANS-True
Following ovulation, the remaining follicular cells in the ovary enlarge to form an
endocrine structure called the __________. - ANS-corpus luteum
What is the function of the placenta? - ANS-Allows oxygen and nutrients to diffuse from
maternal blood to the embryo.
The fetus is protected from certain infections, to which the mother is immune, by
__________. - ANS-antibodies from the mother's immune system
Implantation usually begins at about the end of the first ________ of development -
ANS-week
The fetal stage of development begins at the end of the eighth week. - ANS-True