Human Nutrition Actual Exam Questions and Answers A+ Graded (2025).

Human Nutrition Actual Exam
Questions and Answers A+ Graded
(2025)




List .the .three .lipids .- .CORRECT .ANSWER-Triglycerides, .Phospholipids .and
.Sterols


What .is .the .chemical .composition .of .fats? .- .CORRECT .ANSWER-fatty .acids .and
.glycerol


A .compound .composed .of .carbon, .hydrogen .and .oxygen, .with .three .fatty .acids
.attached .to .a .molecule .of .glycerol, .would .be .known .as .a: .- .CORRECT .ANSWER-

Triglyceride

In .which .form .are .most .dietary .lipids .found? .- .CORRECT .ANSWER-triglycerides

What .is .the .simplest .18-carbon .fatty .acid? .- .CORRECT .ANSWER-Stearic .acid

What .is .a .chief .source .of .short-chain .and .medium-chain .fatty .acids? .- .CORRECT
.ANSWER-Dairy .products.


How .many .hydrogen .atoms .are .attached .to .each .carbon .adjacent .to .a .double
.bond? .- .CORRECT .ANSWER-One .each


What .description .most .accurately .describes .a .fatty .acid? .- .CORRECT .ANSWER-
A .carbon .chain .with .a .methyl .group .and .acid .group .at .opposite .ends

Which .type .of .fat .is .stearic .acid? .- .CORRECT .ANSWER-saturated

What .description .most .accurately .describes .a .monosaturated .fat? .- .CORRECT
.ANSWER-A .carbon .chain .with .one .double .bond


What .describes .a .fatty .acid .that .has .more .than .one .double .bond? .- .CORRECT
.ANSWER-Polyunsaturated


What .compound .is .missing .four .or .more .hydrogen .atoms? .- .CORRECT
.ANSWER-Polyunsaturated

, In .foods, .which .type .of .fat .is .linoleic .acid? .- .CORRECT .ANSWER-
polyunsaturated

An .omega-3 .fatty .acid .has .its .first .double .bond .on .the: .- .CORRECT .ANSWER-
Third .carbon .from .the .methyl .end.

When .discussing .fatty .acids, .what .is .meant .by .an .'omega .number'? .- .CORRECT
.ANSWER-Position .of .the .first .double .bond


A .low .melting .point .is .a .characteristic .of .which .type .of .fat? .- .CORRECT
.ANSWER-Polyunsaturated


List .examples .of .rich .sources .of .polyunsaturated .fats. .- .CORRECT .ANSWER-
Soybean .oil, .Fish .oil .and .Safflower .oil

What .characteristics .is .shared .by .olive .oil .and .canola .oil? .- .CORRECT .ANSWER-
Both .contain .high .levels .of .monounsaturated .fatty .acids

What .statements .about .cis-fatty .acids .and .trans-fatty .acids .is .accurate? .-
.CORRECT .ANSWER-In .the .body, .trans-fatty .acids .are .metabolised .more .like
.saturated .fats .than .like .unsaturated .fats.


A .fat .that .is .soluble .in .both .water .and .fat .is .a(n): .- .CORRECT .ANSWER-
Phospholipid

What .type .of .compound .is .lecithin? .- .CORRECT .ANSWER-phospholipid

Which .of .the .following .lipoproteins .is .largest .in .size? .- .CORRECT .ANSWER-
Chylomicron

Which .tissue .contains .special .receptors .for .removing .low-density .lipoproteins
.(LDLs) .from .the .circulation? .- .CORRECT .ANSWER-Liver


Which .lipoprotein .is .responsible .for .transporting .cholesterol .back .to .the .liver
.from .the .periphery? .- .CORRECT .ANSWER-High-density .lipoprotein .(HDL)


What .foods .provides .essential .fatty .acids? .- .CORRECT .ANSWER-Fish, .beef .and
.plants


What .is .a .feature .of .fat .metabolism? .- .CORRECT .ANSWER-Triglycerides .in .the
.blood .must .be .broken .down .to .monoglycerides, .fatty .acids .and .glycerol .prior .to
.uptake .by .the .adipose .cells.


What .element .is .found .in .proteins .but .not .in .carbohydrates .and .fats? .-
.CORRECT .ANSWER-Nitrogen


What .distinguishes .each .amino .acid .from .another? .- .CORRECT .ANSWER-The
.side .group .(R .group)