The special type of cell division required to produce gametes is called
A) mitosis.
B) meiosis.
C) maturation.
D) capacitation.
E) fertilization.
Answer: B
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__________ syndrome is a condition characterized by sagging eyelids, lack of facial perspiration, and unilateral pupillary constriction.
Fill in the blank(s) with the appropriate word(s).
Which of the following hormones causes both systemic vasoconstriction and an increase in sodium and water retention (causing increased blood volume)?
A) epinephrine B) norepinephrine C) aldosterone D) anti-diuretic hormone
A 56-year-old woman has worked in a photography shop developing film for the past 20 years. She has a long history of shortness of breath and chronic cough, which have progressively become worse
Her FEV1 and FVC values were reduced but her FEV1/FVC ratio was within the normal range. Her diffusion capacity as measured by DLCO was low at 15 mL/min/mm Hg. A bronchoalveolar lavage and tissue biopsy were performed. The lavage sample revealed high numbers of macrophages but of abnormal appearance and high numbers of dead macrophages. What type of pathology would you expect to find? A. peribronchial inflammation with eosinophils B. granulomatous-like lesion in the terminal bronchioles with interstitial fibrosis and large foamy macrophages C. interstitial edema fluid accumulation with neutrophil infiltrate D. emphysematous lesion with large alveoli and minimum interstitial fibrosis
Endurance athletes commonly have a resting heart rate as low as 40 bpm, and a stroke volume as low as 50 mL/beat
Indicate whether the statement is true or false