A nurse tends to a patient with a sunburn. Upon examination, she sees blisters and red skin. What type of burn does the patient most likely have?
A) first-degree burn
B) second-degree burn
C) third-degree burn
D) fourth-degree burn
B
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Proteolytic enzymes from the trophoblast aid implantation of an embryo.
Answer the following statement true (T) or false (F)
The middle piece of the sperm contains the ________ in a spiral arrangement
A) nucleosome B) chromosomes C) mitochondria D) flagella E) acrosome
Answer the following statements true (T) or false (F)
1. Cells of the human body have a variety of shapes but they are all about the same size. 2. The dilute fluid that surrounds the outside of the cell is called cytoplasm. 3. Like chromosomes, ribosomes are made up mostly of nucleic acids. 4. The function of the endoplasmic reticulum depends on whether it is smooth or rough. 5. In passive transport, material will always move down a concentration or hydrostatic gradient.
The surge of sex hormones that accompanies puberty has a wide range of effects on the body. One of those effects is to enhance the activity of the sebaceous glands, increasing the production of sebum
Which of the following is the most likely to result from the increased sebaceous activity? A) Increased hair growth. B) Decreased vitamin D synthesis. C) Increased cooling of the skin. D) Increased oily appearance and more acne.