Extra Credit Questions Flashcards
How is one’s blood type determined?
By the antigens on the red blood cell’s surface
What blood test measures the percentage of erythrocytes to whole blood?
Hematocrit
Which of the following is a semilunar valve within the heart?
Aortic valve
What is the smallest of all blood vessels?
Capillary
Blood is forced through what valve when leaving the left ventricle?
Aortic valve
Which of the following does not fall under the first line of defense?
Antimicrobial proteins
Which cell type destroys bacteria, fights against transplanted tissues, attacks cells infected by viruses, and destroys cancer cells?
Natural killer cells
Which duct drains lymph from the head, the right arm, and the right side of the thorax?
Right lymphatic duct
Air passes through the parts of the pharynx in what order?
The nasopharynx – the oropharynx – the laryngopharynx
Respiration is adjusted by the medulla oblongata to maintain a blood pH of _________.
7.35 to 7.45
Which of the following represents the correct sequence of steps in deglutition?
The tongue pushes the bolus back to the pharynx – the larynx pushes up, causing the epiglottis to close over the glottis – the bolus moves into the esophagus – peristalsis moves the bolus toward the stomach
Which statement about the location and position of the kidneys is true?
The kidneys are retroperitoneal
What is the functional unit of the kidney?
Nephron
Which of the following is not a male secondary sex characteristic?
- Deeper voice
- Development of pubic hair
- Increased aggression
What is the purpose of the sperm’s midpiece?
To house mitochondria that make ATP
Which female reproductive system disorder is characterized by the growth of endometrium in additional places other than the uterus?
Endometriosis
Which stage of the birth process involves the expulsion of the placenta and its associated membranes?
Stage 3
Which statement is false regarding the nutritional requirements for pregnancy?
Protein is not important for fetal growth during the second and third trimester
Which statement is false regarding the function of ADH in regulating urine volume and concentration?
Under the influence of ADH, the kidney conserves water and sodium
