What is NOT one of the three main parts of a cell?
A) plasma membrane B) nucleus C) extracellular fluid D) cytoplasm
Answer: C
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Which lymphatic structures form from the pharyngeal pouches?
A. Palatine, pharyngeal, and lingual tonsils B. Palatine tonsils and thymus gland C. Lingual tonsils D. Palatine tonsils E. Thymus gland
A woman going through menopause may take ________ to minimize the symptoms.
A. hormone replacement therapy B. gonadotropin-releasing hormone C. follicle-stimulating hormone D. progesterone-releasing hormone
The airplane you are riding suddenly depressurizes at 10,000 feet in the air. This causes the PO2 of the airplane's air to drastically decrease. You pass out before you can put on your oxygen mask. After being exposed to these pressure conditions for a time, PO2 of the blood after oxygenation is only 60 mmHg. How saturated will hemoglobin be in these conditions (if the temperature remains around 38 degrees C)?
A. About 60% saturated B. About 90% saturated C. About 85% saturated D. About 100% saturated
Which male reproductive system disorder is characterized by male infants born with undescended testes?
A. Benign prostatic hyperplasia B. Hypospadias C. Prostate cancer D. Cryptorchidism