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Biology-Related Homework Help Anatomy and Physiology Topic started by: Angellady on Feb 22, 2018



Title: What is the pigment that protects deeper cells of the skin from harmful UV radiation?
Post by: Angellady on Feb 22, 2018
What is the pigment that protects deeper cells of the skin from harmful UV radiation?
 
  A) melanocytes
  B) keratin
  C) keratinocytes
  D) melanin



(Question 2) The papillary layer of the dermis consists of areolar tissue containing numerous collagen and elastic fibers. Folds in the tissue are called ________.
 
  A) dermal papillae
  B) sebaceous glands
  C) reticular papillae
  D) hair follicles



(Question 3) Which of the following layers of the epidermis is made up of stem cells and so is in a constant state of replacement?
 
  A) stratum basale
  B) stratum spinosum
  C) stratum granulosum
  D) stratum corneum



(Question 4) Which of the three peritoneal folds that form the broad ligament suspends the ovaries?
 
  A) mesosalpinx
  B) mesovarian
  C) mesometrium



(Question 5) The collective term for the labia majora and the urogenital aperture is the ________.
 
  A) fimbriae
  B) urogenital sinus
  C) broad ligament
  D) vulva



(Question 6) Which of the following events does NOT occur when the semilunar valves are open?
 
  A) AV valves are closed.
  B) Blood enters the pulmonary artery and aorta.
  C) Ventricles are in diastole.
  D) Ventricles are in systole.



(Question 7) Which of the following is a skin receptor for light touch, movement, and vibration?
 
  A) free nerve endings
  B) lamellated corpuscles
  C) Pacinian corpuscles
  D) tactile



(Question 8) Where does implantation of the fertilized ova typically occur in the feline reproductive tract?
 
  A) uterine horn
  B) uterine body
  C) ovary
  D) vagina



(Question 9) What do the ductus arteriosus and the foramen ovule become at birth?
 
  A) ligamentum arteriosum; fossa ovalis
  B) ligamentum teres; fossa ovalis
  C) fossa ovalis; ligamentum arteriosum
  D) None of the listed responses is correct.



(Question 10) Bella stepped on a thumbtack that penetrated to the second layer of epidermis. Which cells were damaged?
 
  A) granulosum
  B) lucidum
  C) spinosum
  D) basale


Title: What is the pigment that protects deeper cells of the skin from harmful UV radiation?
Post by: Melisaerickson on Feb 22, 2018
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Title: What is the pigment that protects deeper cells of the skin from harmful UV radiation?
Post by: Angellady on Feb 22, 2018
This is very helpful, my teacher this year is not good