In examining a male patient you place your finger in his superficial inguinal ring and ask him to cough. You then feel a sudden impulse medial to your finger. You conclude that your patient most likely has:
A) a femoral hernia.
B) a direct inguinal hernia.
C) an undescended testis.
D) a supravesical hernia.
E) testicular cancer.
Ans: B
Ans: B
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The first signal during helper T-lymphocyte activation involves
A. BCR of the helper T-cell binding with free antigen and engulfing it. B. CD8 of the helper T-cell binding with MHC class III of the antigen-presenting cell. C. CD4 of the helper T-cell binding with MHC class I part of the antigen fragment. D. CD4 of the helper T-cell binding with MHC class II of the antigen-presenting cell.
Oxygen consumption increases with exercise due to the fact that the contracting muscles are doing work and require ATP to produce the contractions.
A) How does the body meet the increased demand for oxygen? B) Calculate the oxygen consumption of a runner using the following information: Heart Rate: 130 bpm; Stroke Volume: 270 mL/beat; Arterial oxygen content: 250 mL O2/L blood, and Venous oxygen content: 100 O2/L blood.
The cranial and spinal nerves, autonomic nervous system, and ganglia make up the ________________________________________ nervous system
Fill in the blank(s) with correct word
What is the most common inhibitory neurotransmitter in the brain?
A. Acetylcholine B. Epinephrine C. Noradrenaline D. Norepinephrine E. ?-aminobutyric acid (GABA)