detail trap hesi a2

Which blood type is the universal donor?

O negative (no A, B, or Rh antigens)

Which blood type is the universal recipient?

AB positive (has A, B, and Rh antigens)

Which vitamin is needed for blood clotting?

Vitamin K

Which vitamin helps absorb calcium?

Vitamin D

Main intracellular cation?

Potassium (K⁺).

Main extracellular cation?

Sodium (Na⁺)

Main extracellular anion?

Chloride (Cl⁻)

Which part of the ear detects rotational movement?

Semicircular canals

Which part of the ear detects linear movement & position relative to gravity?

Vestibule (utricle & saccule)

Which photoreceptor detects color?

Cones

Which photoreceptor works in low light?

Rods

Which organ filters blood, not lymph?

Spleen

Which structures filter lymph?

Lymph nodes

Which gland produces melatonin?

Pineal Gland

Which hormone raises blood calcium levels?

Parathyroid Hormone

Which hormone lowers blood calcium levels?

Calcitonin

Which WBCs are the first to respond to bacterial infections?

Neutrophils

What type of joint is the shoulder?

Ball and Socket

What’s the functional unit of the kidney?

Nephron

Which connective tissue stores fat?

adipose tissue